General Awareness ยท Geography
Minerals and Ores
1,185 Questions
Minerals and ores encompass the extraction, identification, and economic significance of naturally occurring crystalline substances. Topics cover specific ores like cinnabar and bauxite, alongside global mineral resource distribution. Candidates preparing for general awareness and geography sections should review these questions to master regional and global mineral reserves.
Ore identificationMineral extractionGlobal mineral reservesIndustrial minerals
Minerals and Ores Questions
Which of the following is not a type of mining?
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Surface mining
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Underground mining
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Quarrying
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Agriculture
D
Correct answer
Explanation
Agriculture is not a type of mining. Mining involves extracting minerals or other geological materials from the Earth, while agriculture involves cultivating plants and raising animals for food and other products.
What is the term for the waste material produced by mining?
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Tailings
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Overburden
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Spoil
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All of the above
D
Correct answer
Explanation
Tailings, overburden, and spoil are all terms used to describe the waste material produced by mining.
What are some of the benefits of mining?
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Provides essential raw materials
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Creates jobs and economic opportunities
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Contributes to infrastructure development
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All of the above
D
Correct answer
Explanation
Mining provides essential raw materials for a variety of industries, creates jobs and economic opportunities, and contributes to infrastructure development.
What are some of the trends in the mining industry?
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Increasing demand for minerals
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Development of new mining technologies
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Growing focus on sustainability
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All of the above
D
Correct answer
Explanation
The mining industry is facing a number of trends, including increasing demand for minerals, the development of new mining technologies, and a growing focus on sustainability.
What is the primary basis for classifying minerals?
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Chemical composition
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Physical properties
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Crystal structure
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Economic value
A
Correct answer
Explanation
Minerals are primarily classified based on their chemical composition, which determines their unique properties and characteristics.
Which of the following is NOT a major mineral class based on chemical composition?
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Silicates
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Carbonates
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Sulfates
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Native elements
D
Correct answer
Explanation
Native elements are not considered a major mineral class because they are composed of a single element, rather than a combination of elements like other mineral classes.
What is the term used to describe a mineral's resistance to being scratched?
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Hardness
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Cleavage
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Luster
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Streak
A
Correct answer
Explanation
Hardness is a measure of a mineral's resistance to being scratched. It is determined by comparing the mineral to a set of standard minerals known as the Mohs scale of hardness.
Which mineral is commonly used as a gemstone due to its brilliant red color?
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Ruby
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Sapphire
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Emerald
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Diamond
A
Correct answer
Explanation
Ruby is a variety of the mineral corundum that is characterized by its intense red color. It is a popular gemstone due to its beauty and rarity.
Which mineral is commonly used in the production of steel?
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Iron ore
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Copper ore
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Gold ore
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Silver ore
A
Correct answer
Explanation
Iron ore is the primary source of iron, which is a key component in the production of steel. Steel is an alloy of iron and carbon, and iron ore is mined and processed to extract the iron needed for steel production.
What is the term used to describe the color of a mineral in powdered form?
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Hardness
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Cleavage
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Luster
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Streak
D
Correct answer
Explanation
Streak is the color of a mineral in powdered form. It is determined by rubbing the mineral against a streak plate, which is a piece of unglazed porcelain.
Which mineral is known for its cubic crystal structure and is commonly used in jewelry?
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Diamond
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Quartz
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Ruby
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Emerald
A
Correct answer
Explanation
Diamond is a mineral composed of pure carbon and is known for its cubic crystal structure. It is the hardest known natural material and is widely used in jewelry due to its brilliance and durability.
What is the most common type of patina on copper?
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Verdigris
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Malachite
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Azurite
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Chrysocolla
A
Correct answer
Explanation
Verdigris is the most common type of patina on copper. It is a green-blue color and is caused by the oxidation of copper in the presence of moisture.
Which mineral was commonly used in ancient Egyptian medicine to treat eye infections?
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Gold
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Silver
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Copper
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Malachite
D
Correct answer
Explanation
Malachite, a green copper carbonate mineral, was used by ancient Egyptians to treat eye infections due to its antibacterial and anti-inflammatory properties.
Which mineral was commonly used in ancient Indian medicine to treat digestive disorders?
B
Correct answer
Explanation
Sulfur was used in ancient Indian medicine to treat digestive disorders, skin diseases, and respiratory ailments due to its laxative and antibacterial properties.
Which mineral was commonly used in ancient Egyptian medicine to treat digestive disorders?
A
Correct answer
Explanation
Copper was used in ancient Egyptian medicine to treat digestive disorders, skin diseases, and various other ailments.